# Service difficulty reports: N77530

A list on [N77530](https://openairdocs.org/aircraft/N77530.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR CALA2026070717598](https://openairdocs.org/sdr/CALA2026070717598.md): None · none · Jul 5, 2026 · N77530 · Boeing 737824 · Standard Practices/Structures
  > MUSTY ODOR FROM ROW 31 AND BACK. IDENTIFIED THE SOURCE OF ODOR FROM GROUND UNIT. DISCONNECTED GROUND AIR, RAN APU AND PACKS.
- [SDR CALA2026041515384](https://openairdocs.org/sdr/CALA2026041515384.md): Idg · inoperative · Apr 14, 2026 · N77530 · Boeing 737824 · AC Generator-Alternator
  > ENG 1 SOURCE OFF LIGHT ILLUMINATED ENG 1 IDG FAULT LIGHT ON GENERATOR CONTROL UNIT. REPLACED ENG 1 IDG REF AMM 24-11-11. OPS CHECK, LOAD TEST, LEAK TEST AND DISCONNECT TEST SUCCESSFUL REF AMM 24-11-00. ACCOMPLISHED ALL REQUIRED IDT INSPECTION FOR E-1 IDG REM
- [SDR CALA2026032314730](https://openairdocs.org/sdr/CALA2026032314730.md): Beam · cracked · Mar 16, 2026 · N77530 · Boeing 737824 · Service Doors
  > CRACK FOUND AT R1 DOOR LOWER BEAM FWD CORNER FRAME BY THE HANDLE BOX. INSTALLED LOWER SKIN AND FWD, AFT AND CENTER BRACKET AT R1 DOOR LOWER BEAM AREA PER 51-40-02-0G-0 AND DRAWING 146A6516. REMOVED AND INSTALLED NEW LOWER BEAM AT R1 DOOR PER SRM 51-40-02-
- [SDR CALA2026031814642](https://openairdocs.org/sdr/CALA2026031814642.md): Beam · cracked · Mar 16, 2026 · N77530 · Boeing 737824 · Fuselage Main, Structure
  > CRACK FOUND AT R1 DOOR UPPER BEAM FWD CORNER FRAME BY THE HANDLE BOX. COMPLETED INSTALLED NEW UPPER BEAM AT R1 DOOR PER SRM 51-40-02-0G-0 AND DRAWING 141A6516. REMOVED AND INSTALLED NEW R1 DOOR UPPER BEAM PER SRM 51-40-02-0G-0 AND DRAWING 141A6516.
- [SDR CALA2026032314729](https://openairdocs.org/sdr/CALA2026032314729.md): Skin · cracked · Mar 11, 2026 · N77530 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > EA5510-01843 REV J:CRACK FOUND AT LEFT HORIZONTAL STABILIZER LOWER SKIN AT STAB STA 184.70, 11" FROM REAR SPAR,I/B ROW. CRACK LENGTH: 1". REF. AAR N/R:100017534 ACCOMPLISHED FINAL INSTALLATION OF REPAIR PARTS AT LEFT HORIZONTAL STABILIZER LOWER SKIN AT STA
- [SDR CALA2025102110340](https://openairdocs.org/sdr/CALA2025102110340.md): Guard · broken · Oct 18, 2025 · N77530 · Boeing 737824 · Emergency Lighting
  > EMERGENCY LIGHT SWITCH COVER REAR CABIN AIRCRAF T LEFT MISSING. INSTALLED NEW FA EMERGENCY LIGHT FLIP GUARD AT LEFT AFT GALLEY AREA IN REFERENCE TO AIPC 31-15-21
- [SDR CALA2025082608125](https://openairdocs.org/sdr/CALA2025082608125.md): Bulb · inoperative · Aug 25, 2025 · N77530 · Boeing 737824 · Emergency Lighting
  > EMERGENCY LIGHTING SYSTEM OPS CHECK, R2 EMERGENCY EXTERIOR LIGHT IS NOT OPERATING. R & R R2 EXTERIOR EMERGENCY LIGHT BULB IAW AMM 33-51-04-960-801. OPS CHECKED GOOD.
- [SDR CALA2025080807493](https://openairdocs.org/sdr/CALA2025080807493.md): Wire Harness · damaged · Aug 6, 2025 · N77530 · Boeing 737824 · Light System Wiring
  > REMOVE ALL EEPL WIRING FROM CABIN AND EVALUATE CONDITION, CONFORMITY AND SECURITY. SUPPORT TASK NSA EMX N/R 00022. DURING EEPL WIRING EVALUATION, FOUND EEPL SECTION FOR SEAT ROWS 23ABC TO 26ABC DAMAGED REQUIRING REPLACEMENT. REMOVED AND REPLACED DAMAGED EEP
- [SDR CALA2025070306183](https://openairdocs.org/sdr/CALA2025070306183.md): Girt Bar · no discrepancy · Jul 1, 2025 · N77530 · Boeing 737824 · Emergency Equipment
  > DOOR 1R SLIDE IS SHOWING EXCESS MATERIAL REF AMM 25-66-01-400-804. GRIT MATERIAL IS IN LIMITS AND Z FOLD IS WHERE IT GOES GOOD TO CONTINUE
- [SDR CALA2025061905707](https://openairdocs.org/sdr/CALA2025061905707.md): Girt Bar · out of limits · Jun 17, 2025 · N77530 · Boeing 737824 · Emergency Equipment
  > DOOR 2L RAFT SLIDE MATERIAL IS TORN AND COMMING LOOSE INSPECTED AND RESECURED EXCESS GIRT MATERIAL REF AMM 25-66-01.
- [SDR CALA2025031902936](https://openairdocs.org/sdr/CALA2025031902936.md): Battery Pack · malfunctioned · Mar 18, 2025 · N77530 · Boeing 737824 · Emergency Lighting
  > AFT SEATS EMERGENCY EXIT LIGHTS COME ON AND GO OUT WITHIN 10 SECONDS. CHARGED FOR 2 HOURS SAME RESULTS. REMOVED AND REPLACED BATTERY AT BATTERY PACK M1672 PER AMM 33-51-06-960-805. OPS CKS GOOD.
- [SDR CALA2024112902987](https://openairdocs.org/sdr/CALA2024112902987.md): Skin · damaged · Nov 22, 2024 · N77530 · Boeing 737824 · Fuselage Main, Plate/Skin
  > EVIDENCE OF LIGHTNING DAMAGE FOUND AT STATION 460 STRINGER S-10L NOTED: PREVIOUS UPDATE WAS DONE BY INSPECTION. REMOVED LIGHTNING STRIKE DAMAGE AT STATION 460 STRINGER S-10L BY INSPECTION REQUIRED FOR HFEC ON BLENDOUT OF LIGHTNING STRIKE AFTER HFEC DAMAGE REMA
- [SDR CALA2024112902986](https://openairdocs.org/sdr/CALA2024112902986.md): Skin · damaged · Nov 22, 2024 · N77530 · Boeing 737824 · Fuselage Main, Plate/Skin
  > EVIDENCE OF LIGHTNING DAMAGE FOUND AT STATION 500E STRINGER S-3R DAMAGE IS APPROX.25 FROM RIVET AND REQ REPAIR SEE PHOTO FOR DIMENSION AND LOCATION OF DAMAGE. INNER DIMENSIONAL PHOTO AND LOCATION SENT DESCRIPTION AND DIMENSIONS TO ENGINEERING FOR REPAIR. PER
- [SDR CALA2023120803589](https://openairdocs.org/sdr/CALA2023120803589.md): Indicator · faulty · Dec 6, 2023 · N77530 · Boeing 737824 · Trailing Flap Position Indicating System
  > FLAPS DO NOT OPERATE WITH PRIMARY CONTROL FLAPS HUNG UP AT 10 POSI TION WHEN HANDLE MOVED TO 15 THRU 30 PO SITION. FLAP SLAT ELECTRONICS UNIT SHOWS FAULT 27-58400 INDICATOR, POSI OFF 29-2758-9-0001 2874 ON 0000 INDICATOR, POSI OFF 29-2758-9-0001 2874 ON 29-275
- [SDR CALA2023050801386](https://openairdocs.org/sdr/CALA2023050801386.md): Skin · damaged · May 5, 2023 · N77530 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > L/H HORIZONTAL STABILIZER LOWER SKIN DOUBLER BTWN STAB STA 129.5 TO 147.9 REQUIRES REMOVAL AND RE-FABRICATION TO INCORPORATE STAB STA 120.3 RIB REPAIRS...REF N/R CYCLES REF SRM 55-10-01-2R-11 PAR.5 (DETAIL VISUAL INSPECTION) SEE ATTACHED FORM 46.0075 FOR ADDED
- [SDR CALA2023050801385](https://openairdocs.org/sdr/CALA2023050801385.md): Skin · cracked · May 5, 2023 · N77530 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > RIGHT HORIZONTAL STAB LOWER SKIN CRACKED AT STA 157.1, APPROX 12" FORWARD OF AFT SPAR. MARKED CRACK END TO END WITH BLACK DOTS. VERIFIED CRACKS WITH HFEC. CYCLES REF SRM 55-10-01-2R-11 PAR.5 (DETAIL VISUAL INSPECTION) 7.85 IBS. SEE ATTACHED WEIGHT AND BALANCE
- [SDR CALA2023012500205](https://openairdocs.org/sdr/CALA2023012500205.md): Lens · missing · Jan 24, 2023 · N77530 · Boeing 737824 · Emergency Lighting
  > CHECK (VISUAL) THE PASSENGER COMPARTMENT FOR CONDITION. {B737-25-3-1075} - LENS COVER MISSING FROM CEILING EEL ROW 23. REPLACEDEEL LENS COVER ROW 23 CEILING IAW AMM 33-51-03-960-803, EEL OPS. CHK''S. GOOD.
- [SDR CALA2022101802846](https://openairdocs.org/sdr/CALA2022101802846.md): Fan · faulty · Oct 18, 2022 · N77530 · Boeing 7378 · Air Distribution System
  > AIR RETURN RUBBER BURNING SMELL ADDED IMAGES OF SMOKE/ODOR QUESTIONAIRE. FOUND AIR CONDITONING, RIGHT RECIRC FAN, CABIN AIR CB POPED, E4 REF AMM 05-51-26-800-801-C1, COMPLEATED INITIAL INSPECTION ON THE P6-4 PANEL. THROUGH C2(E)(15). FOUND RH RECIRC FAN FROZEN
- [SDR CALA2018011200165](https://openairdocs.org/sdr/CALA2018011200165.md): Lens · detached · Jan 12, 2018 · N77530 · Boeing 737824 · Emergency Lighting
  > PLASTIC EMERGENCY LIGHT SIGN DETACHED IN THE MID CABIN. INSTALLED THE SIGN LENS IAW AMM 33-51-01-960-802, ALL FUNCTIONS NORMAL.
- [SDR CALA2017122504602](https://openairdocs.org/sdr/CALA2017122504602.md): Fuse · failed · Dec 25, 2017 · N77530 · Boeing 737824 · Emergency Lighting
  > SEAT 15C AISLE WAY EMERGENCY EXIT INDICATOR LIGHT INOPERATIVE. REMOVED AND REPLACED THE FUSE AT M1694 EMERGENCY LIGHT BATTERY PACK IAW AMM 33-51-06-960-804. OPS CHECKED GOOD IAW AMM 33-51-06-960-804.
- [SDR CALA2017071002169](https://openairdocs.org/sdr/CALA2017071002169.md): Connector · damaged · Jul 10, 2017 · N77530 · Boeing 737824 · Emergency Lighting
  > EMERGENCY EXIT LIGHT AT SEAT 25C WILL NOT ILLUMINATE. FOUND A PIN PUSHED IN ON THE INBOARD LEG SEAT CONNECTOR. RESEATED THE PIN. EMERGENCY LIGHT OPS CHECKED GOOD IAW WDM33-51-22-010-01, PG11.
- [SDR CALA2017061801874](https://openairdocs.org/sdr/CALA2017061801874.md): Light · inoperative · Jun 18, 2017 · N77530 · Boeing 737824 · Emergency Lighting
  > EMERGENCY ISLE LIGHT INOP AT ROW 25. RELAMPED.
- [SDR CALA2017051501455](https://openairdocs.org/sdr/CALA2017051501455.md): Sign · malfunctioned · May 15, 2017 · N77530 · Boeing 737824 · Emergency Lighting
  > EMERGENCY EXIT SIGN DOES NOT TURN OFF. EXIT SIGN AT EXIT ROWS IS FLICKERING. IT HAS BEEN TURNED OFF. PERFORMED OPS CHECK EMERGENCY LIGHT.NO FAULT NOTED REF AMM 33-51 -00.
- [SDR CALA2017032000660](https://openairdocs.org/sdr/CALA2017032000660.md): Skin · cracked · Mar 20, 2017 · N77530 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > LEFT HORIZONTAL STAB LOWER SKIN CRACK AT STA 138.70 I/B OF DRAIN HOLE. INSTALLED REPAIR PER SRM 55-10-01, REPAIR 11.
- [SDR CALA2017012300164](https://openairdocs.org/sdr/CALA2017012300164.md): Unknown · odor · Jan 23, 2017 · N77530 · Boeing 737824 · Air Distribution System
  > BURNING OIL ODOR IN COCKPIT AND CABIN FROM TAKEOFF ROLL TO 10 000 FT. RAN BOTH ENGINES AT HIGH POWER IAW AMM 05-51-26-800-801C1, RAN PACKS FULL HOT. NO OIL OR BURNING ODOR NOTED.
- [SDR CALA2016090900638](https://openairdocs.org/sdr/CALA2016090900638.md): Girt Bar · out of position · Sep 7, 2016 · N77530 · Boeing 737824 · Emergency Equipment
  > L1 DOOR SLIDE GIRT BAR OUT OF POSITION UNDER DOOR. PLACED THE GIRT BAR IN IT`S PROPER POSITION IAW AMM 25-66-01.
- [SDR CALA2015012300062](https://openairdocs.org/sdr/CALA2015012300062.md): Connector · failed · Jan 22, 2015 · N77530 · Boeing 737824 · Light System Wiring
  > SUPPORT NEEDS TO REPLACE EPL CONNECTOR AT SEAT ROW 26ABC EPL INOPERATIVE. R & R EPL CONNECTOR AT SEAT ROW 26ABC IAW SWPM 20-64-17. OPERATIONS CHECKED GOOD IAW AMM 35-51-11.
- [SDR CALA2011122700826](https://openairdocs.org/sdr/CALA2011122700826.md): Actuator · malfunctioned · Dec 27, 2011 · N77530 · Boeing 737824 · Fuel Transfer Valve
  > FUEL IMBALANCE T/O +55 MIN CROSSFEED DID NOT BALANCE BUT OUT OF CROSS FEED MADE WORSE 2000LBS OUT OF BALANCE. ON LANDING CB CROSSFEED OUT. REMOVED AND REPLACED CROSSFEED VALVE REF AMM 28-22-21-000-804 OPS CHECKED GOOD. ROTABLE PARTS CHANGE WAS INDICATED -

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N77530' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N77530/reports

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